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Commit 4f2cd3e introduced a bug by reordering the call to
`@controller.recycle!` above the call to `build_request_uri`. The
impact of this was that the `@_url_options` cache ends up not being
reset between building a request URI (occurring within the test
controller) and the firing of the actual request.
We encountered this bug because we had the following setup:
class MinimumReproducibleController < ActionController::Base
before_filter { @param = 'param' }
def index
render text: url_for(params)
end
def default_url_options
{ custom_opt: @param }
end
end
def test_index
get :index # builds url, then fires actual request
end
The first step in `get :index` in the test suite would populate the
@_url_options cache. The subsequent call to `url_for` inside of the
controller action would then utilize the uncleared cache, thus never
calling the now-updated default_url_options.
This commit fixes this bug calling recycle! twice, and removes a call
to set response_body, which should no longer be needed since we're
recycling the request object explicitly.